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There is a special kind of smog called photochemical smog. It forms when photons of sunlight hit molecules of different kinds of pollutants in the atmosphere. The photons make chemical reactions happen. The pollution molecules turn into other kinds of nasty chemicals.
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www.windows.ucar.edu/tour/link=/earth/Atmosphere/smog.h...
www.windows.ucar.edu/tour/link=/earth/Atmosphere/smog.html&portal=vocals&nl=12l
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A chemistry tutorial on Photochemical Smog suitable for high school students ... The Chemistry of Photochemical Smog ... Photochemical smog is a type of air pollution produced when sunlight acts upon motor vehicle exhaust gases to form harmful substances such as ozone (O3), aldehydes and peroxyacetylnitrate (PAN).
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www.ausetute.com.au/photsmog.html
www.ausetute.com.au/photsmog.html
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The formation of smog is hazardous to your health especially if you live in a big sunny city. One of the main components of photochemical smog is ozone. ... Air Pollution and How Photochemical Smog Forms...
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weather.about.com/od/ozoneinformation/qt/smogcity.htm
weather.about.com/od/ozoneinformation/qt/smogcity.htm
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To fully appreciate photochemical smog formation, one must first recognize that nitrogen is transformed between many different substances in the atmosphere. Automobile exhausts release nitrous oxide (NO) along with small amounts of nitrogen dioxide (NO2).
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www.mtsu.edu/~nchong/Smog-Atm1.htm
www.mtsu.edu/~nchong/Smog-Atm1.htm
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Thermal Inversions and Photochemical Smog; ... Thermal Inversions Thermal Inversion Links Photochemical Smog Smog Links ... Photochemical smog is brown smog, the gray-brown haze that fills the air in many cities. It is especially a problem in warm, sunny regions where there are lots of cars...
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daphne.palomar.edu/calenvironment/smog.htm
daphne.palomar.edu/calenvironment/smog.htm
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Toxic effects of photochemical smog on ponderosa and Jeffrey pines in the San Bernardino Mountains were discovered in the 1950s. ... Toxic effects of photochemical smog on ponderosa and Jeffrey pines in the San Bernardino Mountains were discovered in the 1950s. It was revealed that ozone is the main cause of foliar...
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www.medscape.com/medline/abstract/12676233
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Ozone (O(3)), the major oxidant component in photochemical smog, mostly derives from photolysis of nitrogen dioxide. ... Ozone (O(3)), the major oxidant component in photochemical smog, mostly derives from photolysis of nitrogen dioxide. O(3) may have biologic effects directly and/or via free radicals reacting with...
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www.medscape.com/medline/abstract/14735463
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